Home / 804,178.75-1,109,779.38-436,655.67

Finding the Fourth Proportional to 804,178.75, 1,109,779.38 and 436,655.67

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Solution

The fourth proportional to 804,178.75, 1,109,779.38 and 436,655.67 is: 602,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,178.75 : 1,109,779.38 = 436,655.67 : x
  2. Step 2: Convert to fraction form
    804,178.75/1,109,779.38 = 436,655.67/x
  3. Step 3: Cross multiply
    804,178.75x = 1,109,779.38 × 436,655.67
  4. Step 4: Simplify right side
    804,178.75x = 484,591,458,726.09
  5. Step 5: Solve for x
    x = 484,591,458,726.09/804,178.75
  6. Step 6: Final answer
    x = 602,591.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.